function showPic(whichPic) {
	if(!document.getElementById) return false;
	
	let picSource = whichPic.getAttribute("href");
	if(!document.getElementById("placeholder")) return false;
	let placeHolder = document.getElementById("placeholder");
	placeHolder.setAttribute("src", picSource);
	
	let picTitle = whichPic.getAttribute("title");
	let description = document.getElementById("description");
	description.firstChild.nodeValue = picTitle;
}